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Long-period seismographs

Benioff, Hugo (1960) Long-period seismographs. Bulletin of the Seismological Society of America, 50 (1). pp. 1-13. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140801-091903953

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Abstract

Descriptions and theories of a number of different seismographs developed particularly for recording of very long-period seismic waves are presented. These include (1) electromagnetic strain seismograph with galvanometer of 8 minutes period and photographic recording; (2) displacement transducer strain seismometer with resistance-capacitance network and short-period galvanometer photographic recorder or with ink-writing recorder; (3) electromagnetic pendulum seismometer with RC network having transfer characteristic of a long-period galvanometer recorder or a heated stylus visible writer; (4) electromagnetic pendulum with period increased tenfold or more using shunt capacitance; and (5) electromagnetic pendulum with condenser-lengthened period and triple RC integrating network recording with either heated stylus visible writer, ink writer, or short-period galvanometer photographic recorder.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://bssa.geoscienceworld.org/content/50/1/1.abstractPublisherArticle
Additional Information:Copyright © 1960, by the Seismological Society of America. Manuscript received for publication August 7, 1959.
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Caltech Division of Geological Sciences962
Record Number:CaltechAUTHORS:20140801-091903953
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140801-091903953
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47768
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:01 Aug 2014 16:48
Last Modified:13 Feb 2019 18:02

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